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11th February 2011, 09:41 AM #16.
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I recalculated mine and this time it turns out I was wrong. I now get 888 m/s so much closer to your (EDIT: Not quite right - read on!)
Here's a graph I worked out last year for different tooth count drive sprocket versus chain speed in MPH.
325, 367 and 404 are the different chains (367 is 3/8 chain)
7, 8, 9, 10, 11 are the tooth counts on the drive sprocket.
The red cross is 7 pin 404 and it comes out to be 32 miles per hour which = 889 m/s [edit: this is wrong - read on]
840 is close enough.
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11th February 2011 09:41 AM # ADSGoogle Adsense Advertisement
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11th February 2011, 09:46 AM #17
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11th February 2011, 09:52 AM #18.
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ROFL - hoisted by my own cockiness!!! Love it!
Good to see someone else is checking.
I haven't changed the post it but inserted an edit note to say it's not right.
My excuse is I have the concrete floor guys in the back yard laying the floor for my new shed and I have been diving off to check on what they are doing. The bad news is I stuffed up the floor levels, but the good news is I'm getting a 100 mm instead of a 75 mm floor (and at no extra cost!)
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11th February 2011, 10:03 AM #19
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11th February 2011, 10:10 AM #20.
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Another case of being mistaken? This has been discussed before on this forum and this time I cross checked with the 090 gurus on the arborist chainsaw site and no 090 has ever be produced with a chain brake mechanism.
But if you can post a picture of one I will change my mind.
The latter 076's do have a proper chain brake mechanism (I have one of these).
According to my Stihl dealer, the reason the 090 or 070 is no longer imported into australia has nothing to do with it being too heavy or no big trees left. These saws simply do not meet emissions or OHS (ie no chain brake) regulations.
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11th February 2011, 10:16 AM #21.
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I agree, but I have done a fair bit of concrete work and was using the old guide of 75 mm of concrete with steel reinforcing is nearly as effective at load bearing as 100 mm with no reinforcing.
Access to this shed is via a narrow 50 m footpath so no vehicles are able to be driven onto this shed floor.
The limited access also means the concrete has to be all wheel barrowed in and carting the extra inch of concrete in a barrow is a lot more work than carrying the reinforcing.
Anyway now its 100 mm and steel reinforced so it should be good.
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11th February 2011, 10:38 AM #22
two 090's on mill
Here are a couple of 090's on a GB 84" mill which I came across recently, we pulled the mill out from under a bench in a shipping container where it has been stored for quite a while, fueled the saws and started both after several goes.The saws had not been started in over 10 years and to my surprise ran very nicely.
Other than the oil and dirt on them which makes them look a bit used there is hardly a mark on either, no paint off on the underside either.
I'm thinking about buying the whole setup - cheap cheap cheap.
LaurieCarlton chain; GB Forestry Equipment; GB standard & xtra long guide bars; custom milling chain; Trilink & Sabre chain & bars. 0413 392960
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11th February 2011, 10:41 AM #23
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11th February 2011, 11:04 AM #24.
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11th February 2011, 11:14 AM #25
Bob the whole setup would weigh somewhere around 42 ~ 45 kg , it's heavy.
Lets put it another way, if you were to try and pick it up yourself you could slice washers off your ring.
LaurieCarlton chain; GB Forestry Equipment; GB standard & xtra long guide bars; custom milling chain; Trilink & Sabre chain & bars. 0413 392960
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11th February 2011, 11:19 AM #26SENIOR MEMBER
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Looks a good set up , new bar? Dont know how you add fuel with the saws in the cut though ??? just envious Bob
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11th February 2011, 12:06 PM #27.
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11th February 2011, 04:41 PM #28
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11th February 2011, 05:16 PM #29Member
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- Sep 2010
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- south burnett
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- 83
Sorry I have to say the opposite is the case for me when I compare the 088 magnum to the 3120 the husky leaves the 088 for dead so much so that I use the 3120 as my daily felling saw and leave the 088 in the ute to use as a boat anchor or a spare but haven't needed it for a spare since I got the husky
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11th February 2011, 05:50 PM #30.
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Well, that's how it definitely was when I was lifting 64 of those 72 kg limestone blocks when making the retaining wall for my shed.
I got myself one of those black back braces/truss things - the same as the bunnings guys wear. Boy are they good. I'll be wearing that when I use the new mill.
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